CVE-2021-40540
moderate-risk
Published 2021-09-07
ulfius_uri_logger in Ulfius HTTP Framework before 2.7.4 omits con_info initialization and a con_info->request NULL check for certain malformed HTTP requests.
Do I need to act?
~
2.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: 845a5f471b0f2d2578b0997f531e503d31fda2ae, c83f564c184a27145e07c274b305cabe943bbfaa
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Ulfius
Affected Vendors
References (6)
43
/ 100
moderate-risk
Severity
32/34 · Critical
Exploitability
6/34 · Minimal
Exposure
5/34 · Minimal